Hmmm, the way I see it, it was a process of Aizen's provoking Ichigo, and Kommamura came to stop Ichigo from getting provoked. If Ichigo is provoked and launch a careless attack, then Aizen would have all the chance to put him under hypnosis, thus, squished the only hope of defeating him.
Lots of talking, yes, but I believe it's necessary to make way to the epic battle in chapter 389 ;)